Παραπομπή APA

Niemann, L. (1963). Technical arithmetic for mechanics manual and collection of problems for mechanics, workshop of fitters and similar trades. Wiley Eastern.

Παραπομπή Chicago Style

Niemann, Lowisch. Technical Arithmetic for Mechanics Manual and Collection of Problems for Mechanics, Workshop of Fitters and Similar Trades. New Delhi: Wiley Eastern, 1963.

Παραπομπή MLA

Niemann, Lowisch. Technical Arithmetic for Mechanics Manual and Collection of Problems for Mechanics, Workshop of Fitters and Similar Trades. Wiley Eastern, 1963.